题目内容
阅读短文，把A---E五个句子填入文中空缺处，使短文内容完整正确。
Hundreds of years ago, life was harder than it is today.71 . There was no modern medicine, either.
Life today has brought new problems. One of the biggest is pollution. Water pollution has made our rivers and lakes dirty.72 .Noise pollution makes us talk louder and become angry more easily. Air pollution is the most serious kind of pollution to all living things in the world.
Cars, planes and factories all pollute our air every day. Sometimes the polluted air is so thick that it is like a quilt (被状物) over a city.73 .
Many countries are making rules to fight pollution. Factories must now clean their water before it is thrown away, and they mustn’t let dirty smoke go into the air.
We need to do many other things. We can put waste things in the dustbin and do not throw them on the ground.74 . If there are fewer people driving, there will be less pollution.
75 . Every person must help to fight pollution.
A. Rules are not enough.
B. This kind of quilt is called smog.
C. People didn’t have modern machines.
D. We can go to work by bus with our friends in the same car.
E. It kills our fish and pollutes our drinking water.
71._________ 72_________ 73__________ 74__________ 75__________
CEBDA
名校课堂系列答案阅读短文，把A—D四个句子填入文中空缺处，使短文内容完整正确，然后完成小题。（5分）
Computers can injure (伤害) you .Most other injures happen suddenly .___1___. Now learn to use a computer safely .
Too much light can be bad for you eyes , so never sit too close to a computer screen .___2___ . This gives your eyes a rest .
When we use a computer , the window should be on your left or your right . If it is behind you , the light will reflect ( 反射 )on the screen .That may hurt your eyes .
Hand and wrist ( 手腕 ) injures can happen because the hands and wrists are moved in the same way hundreds of times .__ 3___,stop sometimes and exercise your hands ,wrists and fingers in a different way .
If you sit in wrong way ,you can injure your back or your neck . ___4___. The top part of the screen should be in front of your eyes .
| A. Remember to look away from it sometimes B .But computer injures happen slowly . C. So you should sit with your back straight.. D. If you use a keyboard for a long time . |
A. When you use a computer , the window should be in front of you .
B. Computers ’injures happen slowly .
C. The top part of the screen should be in front of your eyes .
D. After using a computer for a long time ,you should exercise your hands ,wrists and so on.
阅读短文，把A～E五个句子填入文中空缺处，使短文内容完整正确。
Plants are important living things．Life could not go on if there were no plants． 1 But animals and men can't make from them．Animals get their food by eating plants and other animals． 2 So animals and men need plants to live．That is why we find there are so many plants around us．If you look carefully at the plants around you，you will find there are many kinds of plants． 3 Most plants are green．
Some plants have many small leaves， 4 They are different in shapes and colours．Except having different shapes and colours，leaves are also different in other ways．Some leaves have short stalks while others have long ones， 5
| A．Others have only a few large leaves． B．some others have no stalks（茎，秆）at all C．Men live on plants and animals, too． D．This is because plants can make food from air，water and sunlight． E．Some plants are large while others are small． |